% Expired Patents = 75.0

Forward Citations = 31

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13 inventors (with patents filed for the assignee):

Chul Han Kim (2 out of 5 patents)

Yun Chur Chung (2 out of 24 patents)

Yun-Chur Chung (1 out of 3 patents)

4. Jun-Haeng Lee (1 out of 1 patent)

5. Yeun-Chol Chung (1 out of 1 patent)

6. Keun-Ju Park (1 out of 1 patent)

7. Jun-Heang Lee (1 out of 1 patent)

8. Hun Kim (1 out of 1 patent)

9. Chun-Ju Yun (1 out of 1 patent)

10. Seung-Kyun Shin (1 out of 1 patent)

11. Jun Hang Lee (1 out of 1 patent)

12. Dae Kwang Jung (1 out of 2 patents)

13. Seung Kyun Shin (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 7177541 - OSNR monitoring method and apparatus for the optical networks (2007-02-13),

2. 7149428 - OSNR monitoring method and apparatus using tunable optical bandpass filter and polarization nulling method (2006-12-12),

3. 7054553 - Apparatus for monitoring polarization-mode dispersion and chromatic dispersion and transmitting means for transmitting optical signal in optical network (2006-05-30),

4. 6813021 - Method and apparatus for monitoring optical signal-to-noise ratio (OSNR) using polarization-nulling method (2004-11-02),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#122 in Daejeon

#2,202 in South Korea

Daejeon, South Korea

Teralink Communications, Inc.

Forward Citations = 31

13 inventors:

Chul Han Kim (2 out of 5 patents)

Yun Chur Chung (2 out of 24 patents)

Yun-Chur Chung (1 out of 3 patents)

4. Jun-Haeng Lee (1 out of 1 patent)

5. Yeun-Chol Chung (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Teralink Communications, Inc.. Retrieved from https://idiyas.com/company/teralink-communications

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]